Home / 3,079.62-4,617.28-1,619.82

Finding the Fourth Proportional to 3,079.62, 4,617.28 and 1,619.82

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Solution

The fourth proportional to 3,079.62, 4,617.28 and 1,619.82 is: 2,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.62 : 4,617.28 = 1,619.82 : x
  2. Step 2: Convert to fraction form
    3,079.62/4,617.28 = 1,619.82/x
  3. Step 3: Cross multiply
    3,079.62x = 4,617.28 × 1,619.82
  4. Step 4: Simplify right side
    3,079.62x = 7,479,162.49
  5. Step 5: Solve for x
    x = 7,479,162.49/3,079.62
  6. Step 6: Final answer
    x = 2,428.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.